sakamoto.kazuki Profile
sakamoto.kazuki

@splhack

Followers
3K
Following
696
Media
1K
Statuses
42K

Software Engineer who loves FPGA

San Francisco Bay Area
Joined April 2007
Don't wanna be here? Send us removal request.
@splhack
sakamoto.kazuki
@splhack
7 years
#TinyFPGA BX → Verilog Sprite Controller → VGA → LCD 🎉
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@splhack
sakamoto.kazuki
@splhack
4 years
well, probably worth it, since I'm updating machine from MacBook Pro Early 2013🤪 (2.8GHz i7, 16GB).
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@splhack
sakamoto.kazuki
@splhack
4 years
64GB+2TB+Apple Care, $5,155.18, hmm.
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@splhack
sakamoto.kazuki
@splhack
4 years
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@splhack
sakamoto.kazuki
@splhack
4 years
love both MHRD and.
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@splhack
sakamoto.kazuki
@splhack
5 years
MUX #zenn.
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@splhack
sakamoto.kazuki
@splhack
5 years
XOR #zenn.
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@splhack
sakamoto.kazuki
@splhack
5 years
Verilog HDL 最初の一歩 #zenn.
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@splhack
sakamoto.kazuki
@splhack
5 years
冷たいNANDとド・モルガン博士たち #zenn.
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@splhack
sakamoto.kazuki
@splhack
5 years
すべてがNANDになる #zenn.
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@splhack
sakamoto.kazuki
@splhack
5 years
#zenn.
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@splhack
sakamoto.kazuki
@splhack
5 years
Scanline + Sprite🎉 (it used to work only on ICE40) #ULX3S
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@splhack
sakamoto.kazuki
@splhack
5 years
sprite, kinda
Tweet media one
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@splhack
sakamoto.kazuki
@splhack
5 years
Hello world, VGA😉 #ULX3S
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@splhack
sakamoto.kazuki
@splhack
5 years
Reasons why I love ULX3S and TinyFPGA BX (only in Japanese language😉) #zenn.
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@splhack
sakamoto.kazuki
@splhack
5 years
All set! #ULX3S
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@splhack
sakamoto.kazuki
@splhack
5 years
fujprog on Windows: 140.70s.fujprog on macOS: 27.10s👍.openFPGALoader on Windows: --.openFPGALoader on macOS: 34.31s. we have a winner, unfortunately openFPGALoader Windows binary doesn't work with libusbK and WinUSB for ULX3S.
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@splhack
sakamoto.kazuki
@splhack
5 years
12K=18.73s (from .85K=140.70s (my result). so, it's expected on Windows (18.73s ÷ 12K × 85K = ~133s). USB/IP on WSL2 can be faster than native Windows?.
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@splhack
sakamoto.kazuki
@splhack
5 years
yeah, much faster on macOS. > Completed in 27.10 seconds.
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@splhack
sakamoto.kazuki
@splhack
5 years
however, uploading bitstream takes a bit longer than I expected. Because of on Windows?. > Using USB cable: ULX3S FPGA 85K v3.0.8.> Completed in 140.70 seconds.
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@splhack
sakamoto.kazuki
@splhack
5 years
verified toolchain set up 😉 (Yosys and nextpnr on WSL2 Ubuntu 20.04, fujprog on Windows)
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